audio标签 FileReader blob转base64 base64转blob 语音
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audio标签 FileReader blob转base64 base64转blob 语音
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base64轉blob內容
function sentComment() {var url = $("#albumItemCommentURL").val();var params = {"mediaType": 3};var audioBase64Data = $("#audioBase64Data").attr("src");//獲取圖片的base64//創建formData對象var formData = new FormData();//添加圖片的blobif (audioBase64Data) {var blobBin = dataURLtoBlob(audioBase64Data);var fileType = blobBin.type.split("/")[1];params.fileType = fileType;formData.append('file', blobBin);}//添加請求參數的blobvar dataWithType = new Blob([JSON.stringify(params)], {type: "application/json"});formData.append("data", dataWithType);//上傳數據$.ajax({url: url,type: 'post',processData: false,contentType: false,data: formData,dataType: 'json',success: function (data) {var obj = eval(data);if (obj.responseCode == '0') {}},error: function (jqXHR, textStatus, errorThrown) {alert(textStatus + "---" + errorThrown);}});}/* 工具方法：dataURL(base64字符串)轉換為Blob對象（二進制大對象） *///data:image/png;base64,iVBORw0KGgoAAAANSUhEUg......function dataURLtoBlob(dataurl) {var arr = dataurl.split(',');var mime = arr[0].match(/:(.*?);/)[1];// 結果： image/pngconsole.log("arr[0]====" + JSON.stringify(arr[0]));// "data:image/png;base64"console.log("arr[0].match(/:(.*?);/)====" + arr[0].match(/:(.*?);/));// :image/png;,image/pngconsole.log("arr[0].match(/:(.*?);/)[1]====" + arr[0].match(/:(.*?);/)[1]);// image/pngvar bstr = atob(arr[1].replace(/\s/g, ''));var n = bstr.length;var u8arr = new Uint8Array(n);while (n--) {u8arr[n] = bstr.charCodeAt(n);}return new Blob([u8arr], {type: mime});//值，類型} https://juejin.cn/post/6844903933626810382function dataURLtoBlob(dataurl) {var arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);while (n--) {u8arr[n] = bstr.charCodeAt(n);}return new Blob([u8arr], { type: mime }); } <!DOCTYPE html> <html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style>.myaudio1 {width: 100px;height: 100px;background-color: #f00;}.myaudio2 {width: 100px;height: 100px;background-color: #ff0;}.myaudio3 {width: 100px;height: 100px;background-color: #ff00ff;}.myaudio4 {width: 100px;height: 100px;background-color: #00f;}.myaudio5 {width: 100px;height: 100px;background-color: #0ff;}.myaudio6 {width: 100px;height: 100px;background-color: #e0f;}</style> </head><body><!-- <audio id="myaudio" src="http://ting6.yymp3.net:82/new27/ltqz/1.mp3" controls="controls" loop="true" hidden="true"></audio> --><!-- <audio id="myaudio" src="1.mp3" controls="controls" autoplay loop="true"></audio> --><!-- 音樂標簽 src 資源 controls 控制器 autoplay自動播放 loop循環 --><div class="myaudio1">音樂1</div><div class="myaudio2">音樂2</div><div class="myaudio3">音樂3</div><div class="myaudio4">音樂4</div><div class="myaudio5">圖片base64下載</div><div class="myaudio6">音樂base64下載</div><button onclick="download('hello.txt','This is the content of my file')">下載</button><!-- </audio> --><!-- <script src="./index.js"></script> --><!-- <iframe src="http://192.168.1.143/demo.mp3" allow="autoplay" style="display:none" id="iframeAudio"></iframe> --><!-- 參考:https://blog.csdn.net/ysy950803/article/details/87894170?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase --><script>var myaudio1 = document.querySelector('.myaudio1')var myaudio2 = document.querySelector('.myaudio2')var myaudio3 = document.querySelector('.myaudio3')var myaudio4 = document.querySelector('.myaudio4')var myaudio5 = document.querySelector('.myaudio5')var myaudio6 = document.querySelector('.myaudio6')var audio1 = document.createElement("audio"); //生成一個audio元素// audio1.src = '1.mp3'; //音樂的路徑var myaudio1_lock = truemyaudio1.onclick = function () {if (myaudio1_lock) {audio1.play();myaudio1_lock = falseconsole.log(1)} else {audio1.pause();myaudio1_lock = trueconsole.log(2)}}let audio2 = new Audio()// audio2.src = '1.mp3'; //音樂的路徑myaudio2.onclick = function () {if (myaudio1_lock) {audio2.play();myaudio1_lock = falseconsole.log(1)} else {audio2.pause();myaudio1_lock = trueconsole.log(2)}}let AudioContext = window.AudioContext || window.webkitAudioContext;let audioCtxlet soundBuf = {}myaudio3.onclick = function () {let sound;let item = {sound: 'http://192.168.1.143/demo.mp3',name: 'xxx'}if (!audioCtx) {audioCtx = AudioContext ? new AudioContext() : '';}let soundBuffer = {getBuffer(link) {return new Promise((resolve, reject) => {if (audioCtx) {let request = new XMLHttpRequest();request.open("GET", link, true);//借助ajax request.responseType = "arraybuffer";// responseType 為空字符串時，采用默認類型 DOMString，與設置為 text 相同。// arraybuffer// response 是一個包含二進制數據的 JavaScript ArrayBuffer。// blob// response 是一個包含二進制數據的 Blob 對象 。// document// response 是一個 HTML Document 或 XML XMLDocument，這取決于接收到的數據的 MIME 類型。請參閱 XMLHttpRequest 中的 HTML 以了解使用 XHR 獲取 HTML 內容的更多信息。// json// response 是一個 JavaScript 對象。這個對象是通過將接收到的數據類型視為 JSON 解析得到的。// text// response 是一個以 DOMString 對象表示的文本。// ms - stream// response 是下載流的一部分；此響應類型僅允許下載請求，并且僅受 Internet Explorer 支持。request.onload = function () { //請求完成console.log(request.response, 'request.response')audioCtx.decodeAudioData(request.response, function (buffer) {console.log(buffer, 'buffer')resolve(buffer)}, function (e) {console.log('reject');reject(e);});};request.send();} else {reject('not support AudioContext');}})},// createSound(buffer) {// if (audioCtx.state != 'running') {// console.log('重啟audioCtx');// audioCtx.resume();// }// let analyser = audioCtx.createAnalyser();// let gainNode = audioCtx.createGain();// let source = audioCtx.createBufferSource();// source.buffer = buffer;// source.connect(analyser);// analyser.connect(gainNode);// gainNode.connect(audioCtx.destination);// return source;// }createSound(buffer) {if (audioCtx.state == 'suspended') {console.log('重啟audioCtx');audioCtx.resume();}let source = audioCtx.createBufferSource();source.buffer = buffer;source.connect(audioCtx.destination);return source;}}console.log(item.sound, 'item.sound')console.log(soundBuf, 'soundBuf')if (Object.keys(soundBuf) != 0) {if (soundBuf[item.name]) {sound = soundBuffer.createSound(soundBuf[item.name]);if (myaudio1_lock) {sound.start(0); // 播放myaudio1_lock = falseconsole.log(1111111111111111111111111111)} else {audioCtx.close()audioCtx = nullmyaudio1_lock = trueconsole.log(2222222222222222222222)}} else {console.log("download sound failed？");}} else {soundBuffer.getBuffer(item.sound) // item.sound是音頻線上地址.then(buf => {console.log(buf, 'buf')soundBuf[item.name] = buf; // 存儲，方便調用if (soundBuf[item.name]) {console.log(soundBuf, soundBuf[item.name], 'soundBuf[item.name]')sound = soundBuffer.createSound(soundBuf[item.name]);if (myaudio1_lock) {sound.start(0); // 播放myaudio1_lock = falseconsole.log(3333333333333333)} else {audioCtx.close()audioCtx = nullmyaudio1_lock = trueconsole.log(44444444444444444444)}} else {console.log("download sound failed？");}}).catch(e => {console.log(e);});}}let audio44 = document.createElement("audio");myaudio4.onclick = function () {let input = document.createElement('input');input.type = 'file';input.click()input.onchange = function (e) {// console.log(e.target.files);// console.log(e.target.files[0])let files = e.target.files[0]let reader = new FileReader();reader.readAsDataURL(files);reader.onload = function (e) {// let saveCanvas = document.createElement("canvas");// let ctx = saveCanvas.getContext("2d");// ctx.fillStyle = "rgba(255, 255, 255, 0)";// let images = new Image();// images.src = e.target.result;// images.onload = function () {// ctx.drawImage(images, 0, 0);// // document.body.appendChild(images)// document.body.appendChild(saveCanvas)// }audio44.src = e.target.resultaudio44.play()console.log(e.target.result)}}}let blob = nulllet audio55 = document.createElement("audio");myaudio5.onclick = function () {let images = new Image();let canvas = document.createElement("canvas");let ctx = canvas.getContext("2d");// images.crossOrigin = "Anonymous";images.src = './logo.png';// images.src='http://images1.1tu.com/uploads/2020-05/p_1590633094_cc841623af55030a8f101490a1d5c30b.jpg'images.onload = function (e) {// // let base = canvas.toDataURL('image/png');// 圖片轉化base64 畫布污染 網路圖片let base = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEgAAABICAYAAAEi6oPRAAAKQ2lDQ1BJQ0MgcHJvZmlsZQAAeNqdU3dYk/cWPt/3ZQ9WQtjwsZdsgQAiI6wIyBBZohCSAGGEEBJAxYWIClYUFRGcSFXEgtUKSJ2I4qAouGdBiohai1VcOO4f3Ke1fXrv7e371/u855zn/M55zw+AERImkeaiagA5UoU8Otgfj09IxMm9gAIVSOAEIBDmy8JnBcUAAPADeXh+dLA//AGvbwACAHDVLiQSx+H/g7pQJlcAIJEA4CIS5wsBkFIAyC5UyBQAyBgAsFOzZAoAlAAAbHl8QiIAqg0A7PRJPgUA2KmT3BcA2KIcqQgAjQEAmShHJAJAuwBgVYFSLALAwgCgrEAiLgTArgGAWbYyRwKAvQUAdo5YkA9AYACAmUIszAAgOAIAQx4TzQMgTAOgMNK/4KlfcIW4SAEAwMuVzZdL0jMUuJXQGnfy8ODiIeLCbLFCYRcpEGYJ5CKcl5sjE0jnA0zODAAAGvnRwf44P5Dn5uTh5mbnbO/0xaL+a/BvIj4h8d/+vIwCBAAQTs/v2l/l5dYDcMcBsHW/a6lbANpWAGjf+V0z2wmgWgrQevmLeTj8QB6eoVDIPB0cCgsL7SViob0w44s+/zPhb+CLfvb8QB7+23rwAHGaQJmtwKOD/XFhbnauUo7nywRCMW735yP+x4V//Y4p0eI0sVwsFYrxWIm4UCJNx3m5UpFEIcmV4hLpfzLxH5b9CZN3DQCshk/ATrYHtctswH7uAQKLDljSdgBAfvMtjBoLkQAQZzQyefcAAJO/+Y9AKwEAzZek4wAAvOgYXKiUF0zGCAAARKCBKrBBBwzBFKzADpzBHbzAFwJhBkRADCTAPBBCBuSAHAqhGJZBGVTAOtgEtbADGqARmuEQtMExOA3n4BJcgetwFwZgGJ7CGLyGCQRByAgTYSE6iBFijtgizggXmY4EImFINJKApCDpiBRRIsXIcqQCqUJqkV1II/ItchQ5jVxA+pDbyCAyivyKvEcxlIGyUQPUAnVAuagfGorGoHPRdDQPXYCWomvRGrQePYC2oqfRS+h1dAB9io5jgNExDmaM2WFcjIdFYIlYGibHFmPlWDVWjzVjHVg3dhUbwJ5h7wgkAouAE+wIXoQQwmyCkJBHWExYQ6gl7CO0EroIVwmDhDHCJyKTqE+0JXoS+cR4YjqxkFhGrCbuIR4hniVeJw4TX5NIJA7JkuROCiElkDJJC0lrSNtILaRTpD7SEGmcTCbrkG3J3uQIsoCsIJeRt5APkE+S+8nD5LcUOsWI4kwJoiRSpJQSSjVlP+UEpZ8yQpmgqlHNqZ7UCKqIOp9aSW2gdlAvU4epEzR1miXNmxZDy6Qto9XQmmlnafdoL+l0ugndgx5Fl9CX0mvoB+nn6YP0dwwNhg2Dx0hiKBlrGXsZpxi3GS+ZTKYF05eZyFQw1zIbmWeYD5hvVVgq9ip8FZHKEpU6lVaVfpXnqlRVc1U/1XmqC1SrVQ+rXlZ9pkZVs1DjqQnUFqvVqR1Vu6k2rs5Sd1KPUM9RX6O+X/2C+mMNsoaFRqCGSKNUY7fGGY0hFsYyZfFYQtZyVgPrLGuYTWJbsvnsTHYF+xt2L3tMU0NzqmasZpFmneZxzQEOxrHg8DnZnErOIc4NznstAy0/LbHWaq1mrX6tN9p62r7aYu1y7Rbt69rvdXCdQJ0snfU6bTr3dQm6NrpRuoW623XP6j7TY+t56Qn1yvUO6d3RR/Vt9KP1F+rv1u/RHzcwNAg2kBlsMThj8MyQY+hrmGm40fCE4agRy2i6kcRoo9FJoye4Ju6HZ+M1eBc+ZqxvHGKsNN5l3Gs8YWJpMtukxKTF5L4pzZRrmma60bTTdMzMyCzcrNisyeyOOdWca55hvtm82/yNhaVFnMVKizaLx5balnzLBZZNlvesmFY+VnlW9VbXrEnWXOss623WV2xQG1ebDJs6m8u2qK2brcR2m23fFOIUjynSKfVTbtox7PzsCuya7AbtOfZh9iX2bfbPHcwcEh3WO3Q7fHJ0dcx2bHC866ThNMOpxKnD6VdnG2ehc53zNRemS5DLEpd2lxdTbaeKp26fesuV5RruutK10/Wjm7ub3K3ZbdTdzD3Ffav7TS6bG8ldwz3vQfTw91jicczjnaebp8LzkOcvXnZeWV77vR5Ps5wmntYwbcjbxFvgvct7YDo+PWX6zukDPsY+Ap96n4e+pr4i3z2+I37Wfpl+B/ye+zv6y/2P+L/hefIW8U4FYAHBAeUBvYEagbMDawMfBJkEpQc1BY0FuwYvDD4VQgwJDVkfcpNvwBfyG/ljM9xnLJrRFcoInRVaG/owzCZMHtYRjobPCN8Qfm+m+UzpzLYIiOBHbIi4H2kZmRf5fRQpKjKqLupRtFN0cXT3LNas5Fn7Z72O8Y+pjLk722q2cnZnrGpsUmxj7Ju4gLiquIF4h/hF8ZcSdBMkCe2J5MTYxD2J43MC52yaM5zkmlSWdGOu5dyiuRfm6c7Lnnc8WTVZkHw4hZgSl7I/5YMgQlAvGE/lp25NHRPyhJuFT0W+oo2iUbG3uEo8kuadVpX2ON07fUP6aIZPRnXGMwlPUit5kRmSuSPzTVZE1t6sz9lx2S05lJyUnKNSDWmWtCvXMLcot09mKyuTDeR55m3KG5OHyvfkI/lz89sVbIVM0aO0Uq5QDhZML6greFsYW3i4SL1IWtQz32b+6vkjC4IWfL2QsFC4sLPYuHhZ8eAiv0W7FiOLUxd3LjFdUrpkeGnw0n3LaMuylv1Q4lhSVfJqedzyjlKD0qWlQyuCVzSVqZTJy26u9Fq5YxVhlWRV72qX1VtWfyoXlV+scKyorviwRrjm4ldOX9V89Xlt2treSrfK7etI66Trbqz3Wb+vSr1qQdXQhvANrRvxjeUbX21K3nShemr1js20zcrNAzVhNe1bzLas2/KhNqP2ep1/XctW/a2rt77ZJtrWv913e/MOgx0VO97vlOy8tSt4V2u9RX31btLugt2PGmIbur/mft24R3dPxZ6Pe6V7B/ZF7+tqdG9s3K+/v7IJbVI2jR5IOnDlm4Bv2pvtmne1cFoqDsJB5cEn36Z8e+NQ6KHOw9zDzd+Zf7f1COtIeSvSOr91rC2jbaA9ob3v6IyjnR1eHUe+t/9+7zHjY3XHNY9XnqCdKD3x+eSCk+OnZKeenU4/PdSZ3Hn3TPyZa11RXb1nQ8+ePxd07ky3X/fJ897nj13wvHD0Ivdi2yW3S609rj1HfnD94UivW2/rZffL7Vc8rnT0Tes70e/Tf/pqwNVz1/jXLl2feb3vxuwbt24m3Ry4Jbr1+Hb27Rd3Cu5M3F16j3iv/L7a/eoH+g/qf7T+sWXAbeD4YMBgz8NZD+8OCYee/pT/04fh0kfMR9UjRiONj50fHxsNGr3yZM6T4aeypxPPyn5W/3nrc6vn3/3i+0vPWPzY8Av5i8+/rnmp83Lvq6mvOscjxx+8znk98ab8rc7bfe+477rfx70fmSj8QP5Q89H6Y8en0E/3Pud8/vwv94Tz+4A5JREAAAAZdEVYdFNvZnR3YXJlAEFkb2JlIEltYWdlUmVhZHlxyWU8AAADKmlUWHRYTUw6Y29tLmFkb2JlLnhtcAAAAAAAPD94cGFja2V0IGJlZ2luPSLvu78iIGlkPSJXNU0wTXBDZWhpSHpyZVN6TlRjemtjOWQiPz4gPHg6eG1wbWV0YSB4bWxuczp4PSJhZG9iZTpuczptZXRhLyIgeDp4bXB0az0iQWRvYmUgWE1QIENvcmUgNS42LWMxMzIgNzkuMTU5Mjg0LCAyMDE2LzA0LzE5LTEzOjEzOjQwICAgICAgICAiPiA8cmRmOlJERiB4bWxuczpyZGY9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkvMDIvMjItcmRmLXN5bnRheC1ucyMiPiA8cmRmOkRlc2NyaXB0aW9uIHJkZjphYm91dD0iIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtbG5zOnhtcD0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wLyIgeG1wTU06RG9jdW1lbnRJRD0ieG1wLmRpZDpGRkE0MjcxNTdEQzYxMUU4QkZBOERDOEVCQ0U0NTBGMSIgeG1wTU06SW5zdGFuY2VJRD0ieG1wLmlpZDpGRkE0MjcxNDdEQzYxMUU4QkZBOERDOEVCQ0U0NTBGMSIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgQ0MgMjAxNS41IChNYWNpbnRvc2gpIj4gPHhtcE1NOkRlcml2ZWRGcm9tIHN0UmVmOmluc3RhbmNlSUQ9InhtcC5paWQ6QkE4RkFCN0M3REM1MTFFOEJGQThEQzhFQkNFNDUwRjEiIHN0UmVmOmRvY3VtZW50SUQ9InhtcC5kaWQ6QkE4RkFCN0Q3REM1MTFFOEJGQThEQzhFQkNFNDUwRjEiLz4gPC9yZGY6RGVzY3JpcHRpb24+IDwvcmRmOlJERj4gPC94OnhtcG1ldGE+IDw/eHBhY2tldCBlbmQ9InIiPz5BZZ+3AAAB1ElEQVR42mJkAALtmZb/GfAAJkIKwIoYiAA4FV1JO0Ylk0hWxILLHTgV6cyywqoIIIAYiQinb8S4iYs036E7esgEJq6ABAGAACImMBmo5m6yDcLlR5gcNnnaumhADWIhJoOTbRC+9ILPa9+o4TWAAAIlyDVAOphCc1SYqGAICNwZxumIidi8NILz2qhBdCyPaOcicgq1wRnYAAFErRKSgZo+GzSOoWpQD1sHsRCjCDnzkpp90DM+If2jUTbqoFEHjZZDpJYroyFESeNmNFHTykEqg8g9bwACCNRiVAYyLgEx1wA7Zu3V9OMhVBt1opajBlsaCh7NZaMOGnXQgFeupHZjKO1CjUbZqINGHTTqoFEHjTpo1EGjDhqMgw342kejUTaahggpoOdg1WiUjTpoODoIvL7tzSBykB5AgPbtGIdBGIYCaBR16swROEQvzT06cxjm1lRFDC0LcpXC+xJzpIdJhOW8e4z359MVWSde1C32xRYasC0mCmascDZzrQz+7NgABAgQINnRY/iUrb5D9v9l9toqCBAgQIAAAQIESAABAgQIEKCD5ZK9QPaMigoCdIJP7NdjOyoIECBAgGQBGjB8zVDjam153T0OqInJbBAWfdg8AExKZVcA71uIAAAAAElFTkSuQmCC"const bytes = window.atob(base.split(',')[1]);const ab = new ArrayBuffer(bytes.length);const ia = new Uint8Array(ab);for (let i = 0; i < bytes.length; i++) {console.log(bytes.charCodeAt(i), 'bytes.charCodeAt(i)')ia[i] = bytes.charCodeAt(i);}blob = new Blob([ab], { type: 'image/png' });let a = document.createElement('a');let event = new MouseEvent('click');a.download = Math.round(new Date() / 1000) + '.png';a.href = URL.createObjectURL(blob);a.dispatchEvent(event)// ctx.drawImage(images, 100, 100);// // let base = canvas.toDataURL('image/png');// 圖片轉化base64 畫布污染 網路圖片// let base="data:image/png;base64,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"// console.log(base,'images')// downloadFile('11', base)}function base64ToBlob(code) {let parts = code.split(';base64,')let contentType = parts[0].split(':')[1]let raw = window.atob(parts[1])let rawLength = raw.lengthlet uInt8Array = new Uint8Array(rawLength)for (let i = 0; i < rawLength; ++i) {uInt8Array[i] = raw.charCodeAt(i)}return new Blob([uInt8Array], { type: contentType })}function downloadFile(fileName, content) {let aLink = document.createElement('a')let blob = base64ToBlob(content) // new Blob([content]);let evt = document.createEvent('HTMLEvents')evt.initEvent('click', true, true)// initEvent 不加后兩個參數在FF下會報錯 事件類型，是否冒泡，是否阻止瀏覽器的默認行為aLink.download = fileNameaLink.href = URL.createObjectURL(blob)aLink.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true, view: window }))// 兼容火狐}}let audio66 = document.createElement("audio");myaudio6.onclick = function () {let input = document.createElement('input');input.type = 'file';input.click()input.onchange = function (e) {let files = e.target.files[0]let reader = new FileReader();reader.readAsDataURL(files);reader.onload = function (e) {let base = e.target.result// console.log(base, 'e.target.result')downloadFile('11', base)}}function base64ToBlob(code) {let parts = code.split(';base64,')let contentType = parts[0].split(':')[1]let raw = window.atob(parts[1])let rawLength = raw.lengthlet uInt8Array = new Uint8Array(rawLength)for (let i = 0; i < rawLength; ++i) {uInt8Array[i] = raw.charCodeAt(i)}return new Blob([uInt8Array], { type: contentType })}function downloadFile(fileName, content) {let aLink = document.createElement('a')let blob = base64ToBlob(content) // new Blob([content]);// // blob轉base64// console.log(blob,'blob')// const fileReader = new FileReader();// fileReader.onload = (e) => {// console.log(e.target.result,'e.target.result')// };// // readAsDataURL// fileReader.readAsDataURL(blob);// return// readAsArrayBuffer(file): void 異步按字節讀取文件內容，結果用ArrayBuffer對象表示 ArrayBuffer // readAsBinaryString(file): void 異步按字節讀取文件內容，結果為文件的二進制串 翻譯成二進制文件 將文件讀取為二進制編碼// readAsDataURL(file): void 異步讀取文件內容，結果用data: url的字符串形式表示 圖片路徑文件 blob 將文件讀取為DataURL// readAsText(file, encoding): void 異步按字符讀取文件內容，結果用字符串形式表示 解讀文本文件 將文件讀取為文本console.log(blob, 'blob', URL.createObjectURL(blob), 'URL.createObjectURL(blob)')audio66.src = URL.createObjectURL(blob)audio66.play()returnlet evt = document.createEvent('HTMLEvents')evt.initEvent('click', true, true)// initEvent 不加后兩個參數在FF下會報錯 事件類型，是否冒泡，是否阻止瀏覽器的默認行為aLink.download = fileNameaLink.href = URL.createObjectURL(blob)aLink.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true, view: window }))// 兼容火狐}}function download(filename, text) {var element = document.createElement('a');element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));element.setAttribute('download', filename);element.style.display = 'none';document.body.appendChild(element);element.click();document.body.removeChild(element);}</script> </body></html> <!DOCTYPE html> <html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style>.myaudio1 {width: 100px;height: 100px;background-color: #f00;}.myaudio2 {width: 100px;height: 100px;background-color: #ff0;}.myaudio3 {width: 100px;height: 100px;background-color: #ff00ff;}</style> </head><body><!-- <audio id="myaudio" src="http://ting6.yymp3.net:82/new27/ltqz/1.mp3" controls="controls" loop="true" hidden="true"></audio> --><!-- <audio id="myaudio" src="1.mp3" controls="controls" autoplay loop="true"></audio> --><!-- 音樂標簽 src 資源 controls 控制器 autoplay自動播放 loop循環 --><div class="myaudio1">音樂1</div><div class="myaudio2">音樂2</div><div class="myaudio3">音樂3</div></audio><!-- <script src="./index.js"></script> --><script>var myaudio1 = document.querySelector('.myaudio1')var myaudio2 = document.querySelector('.myaudio2')var myaudio3 = document.querySelector('.myaudio3')var audio1 = document.createElement("audio"); //生成一個audio元素// audio1.src = '1.mp3'; //音樂的路徑var myaudio1_lock = truemyaudio1.onclick = function () {if (myaudio1_lock) {audio1.play();myaudio1_lock = falseconsole.log(1)} else {audio1.pause();myaudio1_lock = trueconsole.log(2)}}let audio2 = new Audio()// audio2.src = '1.mp3'; //音樂的路徑myaudio2.onclick = function () {if (myaudio1_lock) {audio2.play();myaudio1_lock = falseconsole.log(1)} else {audio2.pause();myaudio1_lock = trueconsole.log(2)}}// import soundBuffer from './soundBuffer';// ...// preloadlet AudioContext = window.AudioContext || window.webkitAudioContext;let audioCtxlet soundBuf = {}myaudio3.onclick = function () {let sound;let item = {sound: 'http://192.168.1.143/demo.mp3',name: 'xxx'}if (!audioCtx) {audioCtx = AudioContext ? new AudioContext() : '';}let soundBuffer = {getBuffer(link) {return new Promise((resolve, reject) => {if (audioCtx) {let request = new XMLHttpRequest();request.open("GET", link, true);//借助ajax request.responseType = "arraybuffer";// responseType 為空字符串時，采用默認類型 DOMString，與設置為 text 相同。// arraybuffer// response 是一個包含二進制數據的 JavaScript ArrayBuffer。// blob// response 是一個包含二進制數據的 Blob 對象 。// document// response 是一個 HTML Document 或 XML XMLDocument，這取決于接收到的數據的 MIME 類型。請參閱 XMLHttpRequest 中的 HTML 以了解使用 XHR 獲取 HTML 內容的更多信息。// json// response 是一個 JavaScript 對象。這個對象是通過將接收到的數據類型視為 JSON 解析得到的。// text// response 是一個以 DOMString 對象表示的文本。// ms - stream// response 是下載流的一部分；此響應類型僅允許下載請求，并且僅受 Internet Explorer 支持。request.onload = function () { //請求完成console.log(request.response,'request.response')audioCtx.decodeAudioData(request.response, function (buffer) {console.log(buffer,'buffer')resolve(buffer)}, function (e) {console.log('reject');reject(e);});};request.send();} else {reject('not support AudioContext');}})},// createSound(buffer) {// if (audioCtx.state != 'running') {// console.log('重啟audioCtx');// audioCtx.resume();// }// let analyser = audioCtx.createAnalyser();// let gainNode = audioCtx.createGain();// let source = audioCtx.createBufferSource();// source.buffer = buffer;// source.connect(analyser);// analyser.connect(gainNode);// gainNode.connect(audioCtx.destination);// return source;// }createSound(buffer) {if (audioCtx.state == 'suspended') {console.log('重啟audioCtx');audioCtx.resume();}let source = audioCtx.createBufferSource();source.buffer = buffer;source.connect(audioCtx.destination);return source;}}console.log(item.sound, 'item.sound')console.log(soundBuf,'soundBuf')if (Object.keys(soundBuf) != 0) {if (soundBuf[item.name]) {sound = soundBuffer.createSound(soundBuf[item.name]);if (myaudio1_lock) {sound.start(0); // 播放myaudio1_lock = falseconsole.log(1111111111111111111111111111)} else {audioCtx.close()audioCtx=nullmyaudio1_lock = trueconsole.log(2222222222222222222222)}} else {console.log("download sound failed？");}} else {soundBuffer.getBuffer(item.sound) // item.sound是音頻線上地址.then(buf => {console.log(buf, 'buf')soundBuf[item.name] = buf; // 存儲，方便調用if (soundBuf[item.name]) {console.log(soundBuf,soundBuf[item.name],'soundBuf[item.name]')sound = soundBuffer.createSound(soundBuf[item.name]);if (myaudio1_lock) {sound.start(0); // 播放myaudio1_lock = falseconsole.log(3333333333333333)} else {audioCtx.close()audioCtx=nullmyaudio1_lock = trueconsole.log(44444444444444444444)}} else {console.log("download sound failed？");}}).catch(e => {console.log(e);});}}</script> </body></html>參考:https://www.jianshu.com/p/ee1ad766d8a7
參考:https://developer.mozilla.org/en-US/docs/Web/API/AudioBufferSourceNode/start
base64網路資源頭
png 圖片: <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAABlBMVEUAAAD///+l2Z/dAAAAM0lEQVR4nGP4/5/h/1+G/58ZDrAz3D/McH8yw83NDDeNGe4Ug9C9zwz3gVLMDA/A6P9/AFGGFyjOXZtQAAAAAElFTkSuQmCC"/>wav 文件: <audio controls="controls" autobuffer="autobuffer" autoplay="autoplay"> <source 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application/vnd.mophun.application mpp application/vnd.ms-project mps application/x-mapserver mrl text/x-mrml mrm application/x-mrm ms application/x-troff-ms mts application/metastream mtx application/metastream mtz application/metastream mzv application/metastream nar application/zip nbmp image/nbmp nc application/x-netcdf ndb x-lml/x-ndb ndwn application/ndwn nif application/x-nif nmz application/x-scream nokia-op-logo image/vnd.nok-oplogo-color npx application/x-netfpx nsnd audio/nsnd nva application/x-neva1 oda application/oda oom application/x-AtlasMate-Plugin pac audio/x-pac pae audio/x-epac pan application/x-pan pbm image/x-portable-bitmap pcx image/x-pcx pda image/x-pda pdb chemical/x-pdb pdf application/pdf pfr application/font-tdpfr pgm image/x-portable-graymap pict image/x-pict pm application/x-perl pmd application/x-pmd png image/png pnm image/x-portable-anymap pnz image/png pot application/vnd.ms-powerpoint ppm image/x-portable-pixmap pps application/vnd.ms-powerpoint ppt application/vnd.ms-powerpoint pqf application/x-cprplayer pqi application/cprplayer prc application/x-prc proxy application/x-ns-proxy-autoconfig ps application/postscript ptlk application/listenup pub application/x-mspublisher pvx video/x-pv-pvx qcp audio/vnd.qcelp qt video/quicktime qti image/x-quicktime qtif image/x-quicktime r3t text/vnd.rn-realtext3d ra audio/x-pn-realaudio ram audio/x-pn-realaudio rar application/x-rar-compressed ras image/x-cmu-raster rdf application/rdf+xml rf image/vnd.rn-realflash rgb image/x-rgb rlf application/x-richlink rm audio/x-pn-realaudio rmf audio/x-rmf rmm audio/x-pn-realaudio rmvb audio/x-pn-realaudio rnx application/vnd.rn-realplayer roff application/x-troff rp image/vnd.rn-realpix rpm audio/x-pn-realaudio-plugin rt text/vnd.rn-realtext rte x-lml/x-gps rtf application/rtf rtg application/metastream rtx text/richtext rv video/vnd.rn-realvideo rwc application/x-rogerwilco s3m audio/x-mod s3z audio/x-mod sca application/x-supercard scd application/x-msschedule sdf application/e-score sea application/x-stuffit sgm text/x-sgml sgml text/x-sgml sh application/x-sh shar application/x-shar shtml magnus-internal/parsed-html shw application/presentations si6 image/si6 si7 image/vnd.stiwap.sis si9 image/vnd.lgtwap.sis sis application/vnd.symbian.install sit application/x-stuffit skd application/x-Koan skm application/x-Koan skp application/x-Koan skt application/x-Koan slc application/x-salsa smd audio/x-smd smi application/smil smil application/smil smp application/studiom smz audio/x-smd snd audio/basic spc text/x-speech spl application/futuresplash spr application/x-sprite sprite application/x-sprite spt application/x-spt src application/x-wais-source stk application/hyperstudio stm audio/x-mod sv4cpio application/x-sv4cpio sv4crc application/x-sv4crc svf image/vnd svg image/svg-xml svh image/svh svr x-world/x-svr swf application/x-shockwave-flash swfl application/x-shockwave-flash t application/x-troff tad application/octet-stream talk text/x-speech tar application/x-tar taz application/x-tar tbp application/x-timbuktu tbt application/x-timbuktu tcl application/x-tcl tex application/x-tex texi application/x-texinfo texinfo application/x-texinfo tgz application/x-tar thm application/vnd.eri.thm tif image/tiff tiff image/tiff tki application/x-tkined tkined application/x-tkined toc application/toc toy image/toy tr application/x-troff trk x-lml/x-gps trm application/x-msterminal tsi audio/tsplayer tsp application/dsptype tsv text/tab-separated-values tsv text/tab-separated-values ttf application/octet-stream ttz application/t-time txt text/plain ult audio/x-mod ustar application/x-ustar uu application/x-uuencode uue application/x-uuencode vcd application/x-cdlink vcf text/x-vcard vdo video/vdo vib audio/vib viv video/vivo vivo video/vivo vmd application/vocaltec-media-desc vmf application/vocaltec-media-file vmi application/x-dreamcast-vms-info vms application/x-dreamcast-vms vox audio/voxware vqe audio/x-twinvq-plugin vqf audio/x-twinvq vql audio/x-twinvq vre x-world/x-vream vrml x-world/x-vrml vrt x-world/x-vrt vrw x-world/x-vream vts workbook/formulaone wav audio/x-wav wax audio/x-ms-wax wbmp image/vnd.wap.wbmp web application/vnd.xara wi image/wavelet wis application/x-InstallShield wm video/x-ms-wm wma audio/x-ms-wma wmd application/x-ms-wmd wmf application/x-msmetafile wml text/vnd.wap.wml wmlc application/vnd.wap.wmlc wmls text/vnd.wap.wmlscript wmlsc application/vnd.wap.wmlscriptc wmlscript text/vnd.wap.wmlscript wmv audio/x-ms-wmv wmx video/x-ms-wmx wmz application/x-ms-wmz wpng image/x-up-wpng wpt x-lml/x-gps wri application/x-mswrite wrl x-world/x-vrml wrz x-world/x-vrml ws text/vnd.wap.wmlscript wsc application/vnd.wap.wmlscriptc wv video/wavelet wvx video/x-ms-wvx wxl application/x-wxl x-gzip application/x-gzip xar application/vnd.xara xbm image/x-xbitmap xdm application/x-xdma xdma application/x-xdma xdw application/vnd.fujixerox.docuworks xht application/xhtml+xml xhtm application/xhtml+xml xhtml application/xhtml+xml xla application/vnd.ms-excel xlc application/vnd.ms-excel xll application/x-excel xlm application/vnd.ms-excel xls application/vnd.ms-excel xlt application/vnd.ms-excel xlw application/vnd.ms-excel xm audio/x-mod xml text/xml xmz audio/x-mod xpi application/x-xpinstall xpm image/x-xpixmap xsit text/xml xsl text/xml xul text/xul xwd image/x-xwindowdump xyz chemical/x-pdb yz1 application/x-yz1 z application/x-compress zac application/x-zaurus-zac zip application/zip總結
以上是生活随笔為你收集整理的audio标签 FileReader blob转base64 base64转blob 语音的全部內容，希望文章能夠幫你解決所遇到的問題。
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